Ariadnaria hirsutaAriadnaria hirsuta is a species of small sea snail, a marine gastropod mollusk in the family Capulidae, the cap snails.DescriptionThe length of the shell attains 9.7 mm.DistributionThe holotype was found in the Sea of Okhotsk and in the Middle Kuril Islands a depths between 5 m and 285 m.